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I'm pushing Rockfords in the front and Clarion 10"s in the rear. I needed some speakers in the back and I wanted some nice mid and low to complement the Rockfords with the highs. I have went through 9 different types of speakers in the back. These are the best sound I have heard so far. Rockford and Kicker are at the top, but Crunch is right there with them. I have two amps pushing everything. A MTX 400w pushing the 10"s and a Sony 300w pushing the front and back. I also found out the with the amp no matter what the brand or type use 4 guage. 8 guage will not give you very good low's and 10 guage will cause power loss.